TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the trouble- shooting list below to see if you can
(VGA Mode)
Problems | Current Status | Remedy | |
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No Picture | LED ON | Using OSD, adjust brightness and | |
contrast to maximum or reset to | |||
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| their default settings. | |
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| LED OFF | Check the power switch. | |
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| Check if AC power cord is properly | |
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| connected to the monitor. | |
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| LED displays amber color | Check if video signal cable is | |
| properly connected at the back of | ||
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| monitor. | |
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| Check if the power of computer | |
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| system is ON. | |
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Abnormal | Unstable Picture | Check if the specification of graphics | |
adapter and monitor is in | |||
Picture |
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| compliance which may be causing | |
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| the input signal frequency | |
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| mismatch. | |
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| Display is missing, center | Using OSD, adjust RESOLUTION, | |
| CLOCK, | ||
| shift, or too small or too | ||
| large in display size | and | |
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| signals. | |
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| Using OSD, in case of missing full- | |
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| screen image, please select other | |
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| resolution or other vertical refresh | |
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| timing. | |
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| Wait for a few seconds after | |
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| adjusting the size of the image | |
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| before changing or disconnecting | |
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| the signal cable or powering OFF the | |
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| monitor. | |
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Abnormal | No sound, or sound level | Check the audio cable with the host | |
Sound | is too low | PC is connected. | |
(Only Audio- |
| Check if the volume setup of the | |
Input model) |
| host PC is in minimum position and | |
(Optional) |
| try to raise the volume level. | |
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